单选题 He abandoned a career that ______ to his becoming one of the most influential people in the world. A. could have led B would lead C. should have led D. must lead

【正确答案】 A

【答案解析】本题考查情态动词表示虚拟语气的用法。与过去事实相反，是could/should have done，本可能/本应该做……(但实际没这样做)。因为是客观情况，不涉及是否应该，所以选择could have done。